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Finding the Fourth Proportional to 396,693.83, 595,082.27 and 130,475.11

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Solution

The fourth proportional to 396,693.83, 595,082.27 and 130,475.11 is: 195,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,693.83 : 595,082.27 = 130,475.11 : x
  2. Step 2: Convert to fraction form
    396,693.83/595,082.27 = 130,475.11/x
  3. Step 3: Cross multiply
    396,693.83x = 595,082.27 × 130,475.11
  4. Step 4: Simplify right side
    396,693.83x = 77,643,421,009.51
  5. Step 5: Solve for x
    x = 77,643,421,009.51/396,693.83
  6. Step 6: Final answer
    x = 195,726.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.